%0 Journal Article %A Stamatis Katsenos %A Antonogiannaki Elvira-Markela %A Konstantinos Tsintiris %T Unilateral primary lung hypoplasia diagnosed in adulthood %D 2013 %R 10.4187/respcare.02740 %J Respiratory Care %P respcare.02740 %X Unilateral primary pulmonary hypoplasia is rare in adulthood. It is usually present in neonates or in early childhood and is characterized by a decreased number of bronchial segmentation and decreased/absent alveolar air space. Most patients have recurrent episodes of wheezing or pneumonia and severe respiratory distress leading to chronic respiratory failure whereas some may occasionally be asymptomatic. Herein, we present a case of left lung hypoplasia in an asymptomatic 28-year-old male, who was admitted for further investigation of an abnormal chest radiograph obtained as part of health evaluation for military service. Thorough work-up, including imaging modalities and bronchoscopy, disclosed a hypoplastic left lung, which was undiagnosed for 25 years. Embryological, clinical and diagnostic aspects are briefly discussed. %U https://rc.rcjournal.com/content/respcare/early/2013/09/11/respcare.02740.full.pdf